Normal variance.
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> --
> Joseph Meehan
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> Dia 's Muire duit
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> > I have two car type batteries that I have in my basement. One is to
> > start my generator and the other is a spare. I charge them once a week
> > at 1.5A for three hours. I check the voltage before charging. One of
> > them usually reads 12.60 volts and the other 12.76 volts. I checked the
> > acid level on the 12.76 volt one and it is OK. Why would it read so > > high?
>
> > ---MIKE---
> >>>In the White Mountains of New Hampshire
> > >> (44° 15' N - Elevation 1580')- Hide quoted text -
>
> - Show quoted text -
Sounds normal, especially if you're measuring the voltage immediately after charging. If you wait a day after charging, I'll bet the higher one drops down closer to 12.6.
If it were me, I'd get a battery tender connected so I didn't have to charge them periodically.